let zImg = $("div.start img.img");
let zPtitle = $("p.title");
let zPspan = $("p.answer");
zPspan.hide();
zPtitle.hide();
let zMain = $("div.main");
zImg.on("click", function() {
    $(this).parent().hide("ease-out");
    zMain.show("ease-in");
    setTimeout(() => {
        zPspan.show();
        zPtitle.show();
    }, 1000);
})